5305-00-725-5377 SCREW,MACHINE Index 5960-00-725-5380 ELECTRON TUBE

National Stock Number:
5340-00-725-5379

Federal Supply Class:
5340

National Item Identification Number:
007255379

Description:
SEAT,HELICAL COMPRESSION SPRING

Detail:
A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a RETAINER, HELICAL COMPRESSION SPRING. Excludes WASHER (1), (as modified); SEAT, BALL SOCKET and HOLDER, SPRING. See also ROTOR, ENGINE POPPET VALVE.


Manufacturer Information:
1157805719206ARMY, UNITED STATES DEPARTMENT OF THE BUSINESS DEVELOPMENT DBA WATERVLIET ARSENAL
5340007255379A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE


Techincal Specification:
COUNTERBORE LENGTH2.6050 INCHES NOMINAL
DESIGN TYPESOLID
DISTANCE FROM END TO FIRST STEP2.0420 INCHES NOMINAL
FIRST STEP LENGTH0.3800 INCHES NOMINAL
OVERALL HEIGHT3.4800 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1345H ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1345H ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
MATERIALSTEEL COMP 1345H
SECOND COUNTERBORE DIAMETER2.4370 INCHES NOMINAL
SECOND COUNTERBORE LENGTH1.0580 INCHES NOMINAL
SECOND STEP DIAMETER2.9980 INCHES NOMINAL
SPECIAL FEATURESINSIDE LENGTH 1.5000 IN;INSIDE WIDTH 1.3200 IN;USED ON M109 HOWITZER FAMILY
STYLE DESIGNATORSEAT


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